Drilling-machine.



E. L. BURTON.

DRILLING MACHINE.

APPLIOATION FILED r1113. 17, 1912.

Patented Oct. 15, 1912 3 SHEETS-SHEET 1.

n. L. BURTON.

' DRILLING'MAGHINE. AIPLIUATION FILED PBB.17,19121 Patented Oct. 15, 1912 3 SHEETS'SHEBT 2,

E. L. BURTON.

DRILLING MACHINE.

APPLICATION FILED FEB.17,1912.

Patented Oct. 15, 1912.

3 SHEETS-SHEET 3.

amen V601 ELBurZombe easily transformed from a breast drill to nnrrnn srnrrns my".nn'r orricn.

ELISHA L. IKURTGN, 0 THEALKA, KENTUCKY, ASSIG-NOR ONEHALF T0 WILLIAM DAVIS, OF TEEALKA, KENTUCKY.

DBHJJING-MACHINE.

. uilld useful improvements in drilling mae ines for use particularly in mining, and the invention has for its primary object an improved construction of drilling machine of this character whereby the machine may a standard supported or vice versa, as desired.

A further object of the invention is an improved drillinginachine which will, above indicated. eu'ibody two drills in one, thereby slope drill, and

relieving the miner or other operator of some or" the apparatus which he has heretofore been compelled to keep on hand for his daily work, and at the some time reducing the cost which is incidental to the purchase and maintenance of the more cumbersome mechanism.

The invention has for a slill further ob- 'jecl; to provide means for adjusting the va rious parts to suit the conditions that may urise l'o provide a breast drill that Will pos 'scss a maximum degree of cllicieiicy and. yet

be light and siroi'ioj. to provide a drilling machine 'Wl'iich may be no :uljusled that two operators may be mnploycd in connection with lhc one i'uachinc. i'l desired. and to pro vide a drilling inuchino which will be composed of comparaliirely few and simple parts that maybe easily uiuuuluclurml. readily assembled and not liable to et oul. of order. And the iuvcnliou ulso minis to generally improve this class of LlLVl(l,-1 and o rcrulcr them more useful :uul mmunercially dosirablc.

With these and olhcr objects in view in; will more lull appear as lhc dcaririplion proceeds, lilo invention consisls in lhe constructions, urrunp ciucnts. null combiualions of the ports that l shall hereinafter fully describe an d claim.

For a full rmdcrsl'uuding of the invention rcferencefis to he lied to the lollowing dc- Specification of Letters Patent. .llpplicutlon filed February 17, 1912. Ecrial No. 678,245.

Patented ()ct. 15,1912.

scription and accompanying drawings in which Figure '1 illustrates my improved drilling machine arranged as a standard or stopc drill; Fig. 9. is a detail view of the standard of the machine. Fig. 3 is a. detail perspective view of a clamping sleeve designed to he edjustably and detachably connected to the standard and to receive the feeding mechanism of the apparatus. Fig. 4 illustrates the machine arranged as a breast drill. Fig. 5 is a sectional view on the line 5---5 of Fig. 4; Figs. 6 and 7 are similar views on the lines'6---G and 77, respectively, of Fig. 1.; and Fig. 8 is a detail view of one of the handles employed.

Corresponding and like parts are referred to in the following dcscriptioiv and designoted in the accompanying drawings by like reference clu'iracters.

The standard of my improved drilling machine is exlcnsible, being constructed in lower and upper sections adjustably' connected together. The lower section 1 is provided with the usual foot or spur 2 arranged to penetrate the ground so as to be securely held thcrel'iy when the standard is in position. The section 1 is formed with any desired number of apertures 3, which are arranged to register with corresponding apertures 4 in the spaced members 5 of the upper section ll of the standard, as clearly indic-al'ed in Fig. 2. The lower section 1 moves in between the two members o of the stand and (3, and the upper ends of said members are connected together as at 7 and one of them is formed with u tl'ircaded lug 8 in which .1 ,lhrcudcd rod 9 is mounted, the rod being pointed at its upper extremity and designed to be purl iully embedded in the roof of the tunnel or gallery in which the mining oprrulilpn is being performed. The rod 9 formed with a transverse opening 1]. dcsiggucd lo receive a handle 10 whereby the rod may he turned for adjustment. In ordc lo secure the two seclions 1 and 6 of the slmululil log'cllwr at the required adjustlucnl. l provide a bolt 1.2 the shank of which is designed in enter any of the registering apcrl'ur ?)"u ml l. as clearly illustrated in l The upper section li ofthc standard is 'lormcd at its lower end with lnieral projcclions: 155 which securely hold together the LOO lower extremities of the members 5 and as sist in placing the standard in the ground.

The pin 1-1- is designed to -be inserted in any of the argistering apertures and 4-, said pin projecting laterally and preferably forming an integral part. of a split sleeve 15, the two parts of which are hipgellly ronnectcd together as at 15 and are located in closed position by means of a latch 1 1 ex tending through a lug 15 carried by one of the parts or sections of the sleeve, the latch 14. being adapted. to bear against lugs 14 that are formed on the other section of the sleeve, as best illustrated in Fig. 3.

16 designates the feed bar which is pro videdat one end with a socket 17 for the reception of a drill. The sleeve 15 is en larged at one end as at 18, the enlargement being polygonal in shape (square in the present instance) and adapted to receive a correspondingly shaped part 23' of a frame 20. The sleeve is formed at one side with a flat face 19 whereby it may have proper bearing against the adjoining face of the standard. The feed bar 1.6 extends'through the interiorly threaded sleeve 15 and also through the frame 20, which latter is formed with a squared end. 23 adapted to fit Within the correspondingly shaped enlargement of the sleeve. the frame 20 is formed with four bearing sleeves set in quartering relation to each other and designated 21, 22, 23 and 2 1, respectively, the bearing sleeve 23 being formed with the squared extension 23, just mentioned. Mounted in the frame 20 is a bevel pinion which has a spline connection with a groove 16' extending longitudinally in the bar 16. The pinion 25 meshes with a corresponding pinion '26 which is secured to one end of a shaft 27 which is mounted in the bearing 24 and which has a ball bearing 27 and a. handle receiving socket 28 as best illustrated in Fig. 7. One end of the shaft 27 carries, in the embodiment of the invention now being described, a crank handle 29., 3d,,designates another handle for the actuation of the device, this last named handle, as best illustrated in Fig. 8 being formed with a plurality of openings 31 ahy one of which is designed to receive the squared rear end of the feed bar 16 so as to detachably secure the handle on the feed bar at diflerent positions to secure the desired leverage. By providing the two handles 29 and 30, the

apparatus may be worked from the side or from the rear, as is evident.

From as much of the description as has preceded, in connection with the correlated views of the accompanying drawings, the operationof the embodiment of the invention illustrated in Fig. 1 will be apparent. ln the practical use of the device the standard is set up and extended to the required ner. The pin 1+1 is then inserted in the apertures 3 and d at the desired elevation with the square extension 23 of the bearing sleeve 23 fitting in the enlarged many sided socket 18 of the sleeve 15 and with the feed bar 16 passing through the sleeve and through the bearings 28 and 21 and the pinion 25. They pin 14' is secured in place in any desired way as by a cotter pin, as clearly illustrated in Fig. 6. It will thus be seen that by turning the handle 29, the feed bar 16 will be fed forwardly and simultaneously rotated, whereby the drill will dig into the rock or the like.-

If desired to transform the drill from that embodiment of the invention illustrated in ,Fig. 1 to the form illustrated in Fig. t, the

frame 20 is removed from the enlarged end 18 of the sleeve 15, the feed bar 16 is removed and the frame 20 is used in a different relation, which I shall now describe.

Referring now particularly to Fig. 4, it will be understood that when the device is to be used as a breast drill a brace rod 32 is inserted in the bearing sleeve 22 of the frame 20, being secured therein by a. nut 33 mounted on the threaded end of a stem or shank 33, said brace rod carrying at its rear end a transversely extending breast strap 34 which may be secured thereto in any de-v sired way, as by nuts and bolts 35. The

ends of the strap 34:, which is of metal as is usual, are turned 'rearwardly as indicated at 36, so as to extend along the sides of the operators body. In this form of the device, a shaft 37 is journaled in the bearing sleeves 21 and 23, instead. of the feed bar 16, the said shaft passing through the pinion 25 which is splined thereon and which meshes with the pinion 26 carried by the shaft 27. The shaft 27 in this instance, instead of being provided with the handle 29 has the drilling tool secured thereim-and the handle 30 is secured to one end of the shaft 37, a

'corresponding and oppositely extending handle 88 being secured to the opposite end of said shaft, whereby the said shaft may be rotated to effect the rotation of the shaft 27 and the proper actuation of the drilling tool.

It will hus be seen that l". have provided a very simple and efficient construction of drilli g nachino which may be easily transformed 150111 a breast tool to a standard supported drill, and vice versa, whereby the one machine, with a few attachments may fulfil the purposes of what has heretofore required twoseparate and entirely distinct machines.

While the accompanyin drawings disclose what I believe to be t e preferred embodiment of my invention, it is to be understood that the invention is not limited thereto but that various changes may be made in the construction, arrangement and proportion of the parts without departing from the scope of the invention as defined in the appended claims.

Havin now fully described my invention, what I c aim is A drillingmachine of the character described, including a frame provided with four bearing sleeves arranged in quartering relation with each other, a shaft journaled in one of said sleeves, a pinion secured to the inner end of said shaft within the frame, another pinion mounted in the adjoining sleeve of the frame and meshing with the first named pinion and having an opening extending therethrough, and means for turning said pinions, the sleeve opposite the sleeve in which the shaft is journaled having a socket for the rece tion of a breast strap supporting rod and t e two sleeves adjoining the sleeve in which the shaft is journaled, together with the pinion mounted therein being designed for the reception of a feed bar or a drive shaft.

In testimony whereof I hereunto afiix my signature in the presence of two witnesses.

ELISHA L. BURTON. Witnesses:

R. C. BURTON, A W. R. DAVIS. 

